RM
Ralph Miller — 1940 US Census Record
Model Tree available1940 United States Federal Census · Frederick-County, Maryland
Our Model Tree links this Ralph Miller across the 1910, 1920, 1930 and 1940 US Censuses in Frederick-County, Maryland (XGBoost, ~Confirmed), with identified parents Hiram & George — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Frederick-County, Maryland |
| Surname | Miller |
| Given Name | Ralph W. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Hauvers District ELECTION DISTRICT 10 |
| 1935 Residence (County) | Frederick |
| Additional Details | |
| Occupation | Post master |
| Industry | U.S. Post office |
| Class of Worker | GW |
| Hours Worked | 50 |
| Income (1939) | 952 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Post Master |
| Township / Ward | Hauvers District Election District 10 |
| Est. Birth Year | ~1898 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Betty Miller | Daughter | — | 8 | ~1932 |
| Ralph Miller | Head | — | 42 | ~1898 |
| James Miller | Son | — | 14 | ~1926 |
| Esther Miller | Spouse | — | 46 | ~1894 |
Census Appearances
1910
Frederick, Maryland
Son, age 11
Frederick, Maryland · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Ralph W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Son, age 21
Frederick, Maryland · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Ralph W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Blacksmith |
| Industry | General Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Head, age 31
Frederick, Maryland · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Ralph W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Maryland |
| Age at First Marriage | 21 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farming |
| Industry | General Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Frederick-County, Maryland
Head, age 42
Frederick-County, Maryland · implied b. ~1898 — 4 household members
| Surname | Miller |
| Given Name | Ralph W. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Hauvers District ELECTION DISTRICT 10 |
| 1935 Residence (County) | Frederick |
| Occupation | Post master |
| Industry | U.S. Post office |
| Class of Worker | GW |
| Hours Worked | 50 |
| Income (1939) | 952 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Ralph Miller across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hiram Miller (~0.92 confidence) and mother George Miller (~0.92 confidence) and mother Jessie Miller (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hiram Miller
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
George Miller
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Jessie Miller
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Miller
Head · 1940 · age 42 · b. ~1898 · Maryland
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Frederick-County, Maryland
Open full size
1940 US Federal Census — Frederick-County, Maryland
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01549-00128)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Co. Lewis | 47 | wife | H | Maryland |
| 42 | Inez Lewis | 19 | daughter | S | Maryland |
| 43 | Elaine Lewis | 14 | daughter | S | Maryland |
| 44 | Mason Lewis | 12 | son | — | Maryland |
| 45 | Glenn Willard | 42 | head | Farmer | Maryland |
| 46 | Mabel Willard | 36 | wife | H | Maryland |
| 47 | Helen Willard | 20 | daughter | Housemaid | Maryland |
| 48 | Ethel Willard | 18 | daughter | S | Maryland |
| 49 | Glenn Willard | 16 | son | Helper | Maryland |
| 50 | Russell Willard | 15 | son | Helper | Maryland |
| 51 | Grace Willard | 12 | daughter | — | Maryland |
| 52 | Chester Willard | 9 | son | — | Maryland |
| 53 | Betty Willard | 2 | daughter | — | Maryland |
| 54 | Lela Lantz | 75 | head | H | Maryland |
| 55 | Jessie Miller | 68 | head | H | Maryland |
| 56 | Joseph E. Brown | 60 | head | Carpenter | Maryland |
| 57 | Linnie Brown | 59 | wife | H | Maryland |
| 58 | Clyde Brown | 25 | son | Carpenter | Maryland |
| 59 | Joseph Brown | 17 | son | New Worker | Maryland |
| 60 | Clara Ellen Brown | 84 | mother | Ot | Maryland |
| 61 | Clarence B. Ridenour | 48 | head | U | Maryland |
| 62 | Pauline Ridenour | 41 | wife | H | Maryland |
| 63 | Louise Ridenour | 10 | daughter | — | Maryland |
| 64 | Mary N. Ridenour | 73 | mother | H | Maryland |
| 65 | Lester G. Bittner | 30 | head | Farmer | Pennsylvania |
| 66 | Mary Jane Bittner | 21 | wife | H | Maryland |
| 67 | Mary Jane Bittner | 3 | daughter | 0 | Maryland |
| 68 | Samuel P. Bittner | 56 | father | Farmer | Pennsylvania |
| 69 | Samuel Bittner | 18 | brother | S | Pennsylvania |
| 70 | Ralph W. Miller THIS PERSON | 42 | head | Post Master | Maryland |
| 71 | Esther Miller | 46 | wife | H | Maryland |
| 72 | James Miller | 14 | son | Helper | Maryland |
| 73 | Betty Miller | 8 | daughter | — | Pennsylvania |
| 74 | Harry W. Wilhide | 68 | head | Farmer | Maryland |
| 75 | Clara Wilhide | 69 | wife | H | Maryland |
| 76 | Lloyd Wilhide | 41 | son | Bus-Driver | Maryland |
| 77 | Helen Wilhide | 40 | daughter | H | Maryland |
| 78 | Albert Portner | 31 | head | Farmer | Maryland |
| 79 | Grace Portner | 30 | wife | H | Maryland |
| 80 | Ada Grace Portner | 9 | daughter | — | Maryland |
Pedigree Summary
Ralph
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)